function resize_content(){
	
	var contentDiv = document.getElementById('user_main_div'), y;
	
	if (self.innerHeight) {
		y = self.innerHeight - 2;
	}
	else if (document.body) {
		y = document.body.clientHeight;
	}
	contentDiv.style.height = (y) + "px";
	
	var contentHeight;
	var menuItemsCount = 8;
	contentHeight = document.getElementById('actual_content').offsetHeight;
	
	document.getElementById('continuity').style.height = contentHeight - 116 - (menuItemsCount * 41) + 'px';
	
	
}

function button_over(element){
	YAHOO.util.Dom.addClass(element, 'hover');
}
function button_out(element){
	YAHOO.util.Dom.removeClass(element, 'hover');
}